Rotary Tool Cleaning Attachment with O-Ring Sponge Retention
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Solution Overview
Problem
Existing cleaning devices for handheld rotary tools are not effective in reducing manual labor and often require specialized equipment and sponges, which are costly and inefficient, particularly in commercial settings like bars and restaurants where controlling operating costs is essential.
Innovation Solution
A cleaning attachment for rotary tools featuring a disk with a peripheral edge groove and an O-ring that holds a conventional sponge in place, allowing the tool to rotate and apply cleaning liquid effectively, reducing manual scrubbing effort and eliminating the need for specialized sponges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized cleaning devices and sponges are used for rotary tools, then cleaning effectiveness is improved, but device complexity and cost increase
Solution Approach 1:
The invention adapts a standard rotary tool (originally designed for screwdrivers and drill bits) to perform cleaning functions by mounting a sponge on its chuck. This allows the tool to serve multiple purposes - both its original function and cleaning - eliminating the need for specialized cleaning devices and reducing overall device complexity
Solution Approach 2:
The sponge is designed to be self-retaining through the groove structure that captures its edges, allowing the sponge to securely mount itself without additional fasteners or complex retention mechanisms. The tool's existing chuck structure provides the mounting interface, making the system self-sufficient
2Reliability
If specialized sponges designed for rotary tools are used, then cleaning performance is improved, but operating costs increase
Solution Approach 1:
The invention uses inexpensive, readily available standard sponges instead of expensive specialized cleaning sponges. These conventional sponges can be easily replaced when worn, and their low cost significantly reduces operating expenses for both household and commercial applications
Solution Approach 2:
By designing the attachment to work with any standard sponge rather than requiring a proprietary specialized sponge, the invention allows users to leverage inexpensive, widely-available cleaning products for their rotary tool, thereby reducing material costs
3Device complexity
If manual scrubbing with a sponge is used, then no specialized equipment is needed, but manual labor and time consumption increase
Solution Approach 1:
The invention transforms the static manual scrubbing action into a dynamic rotating motion by mounting the sponge on the rotary tool's chuck. The rotation provides automated scrubbing action that is more efficient than manual scrubbing while maintaining simplicity by using the tool's existing rotational capability
Solution Approach 2:
The invention combines the rotary tool's rotational mechanism with a standard sponge to create an automated cleaning system. This merges the mechanical advantage of powered rotation with the absorbent and scrubbing properties of a sponge, eliminating the need for purely manual labor
4Ease of operation
If a loose fit between shaft and chuck is used, then ease of installation is improved, but retention and reliability during operation worsen
Solution Approach 1:
The sponge is nested within the groove structure of the attachment, with the groove capturing the sponge's edges to secure it in place. This nested configuration provides reliable retention during rotation without requiring tight interference fits or complex fastening mechanisms
Solution Approach 2:
The groove structure is designed beforehand to accommodate and secure the sponge edges, providing pre-planned retention that prevents the sponge from detaching during operation. This anticipatory design ensures reliability without complicating the installation process
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution reduces manual labor and operating costs by enabling efficient surface cleaning with a standard sponge, using a rotary tool to rotate and apply cleaning liquid, which is cost-effective and adaptable for both household and commercial use.
Implementation Method 1
an O-ring circumscribing the peripheral edge groove, the O-ring having an inner diameter substantially equal to the outer diameter of the disk. A sorbent membrane, e.g., a conventional household sponge, has a surface disposed against the front surface of the disk, and a plurality of diametrically opposed portions that are squeezed into the groove by the O-ring
Implementation Method 2
The shaft on the disk is preferably sized and shaped to provide a tight fit within the chuck, tight enough to provide frictional engagement sufficient to support the combined weight of the disk, shaft, O-ring, sorbent membrane, and any cleaning liquid
Implementation Method 3
Without being bound to a specific theory of operation, it is believed that the flow of liquid cleanser from the wells into the sorbent membrane occurs due to gravity, capillary action associated with the structure of the sorbent membrane
Implementation Method 4
the screwdriver is activated so as to rotate the disk and the attached sponge with the sponge bearing against the surface to be cleaned
Data Source
AI summary
A cleaning attachment configured for mounting a conventional household sponge to the chuck of a cordless electric screwdriver. The cleaning attachment relieves a person of the manual labor involved in scrubbing a surface with a sponge by hand. The cleaning attachment also eliminates the need to purchase a specialized sponge that is designed and sold specifically to operate in conjunction with a rotary tool. The sponge can be easily dismounted, flipped over, and reattached for continued use.